US6999919B2 - Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders - Google Patents
Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders Download PDFInfo
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- US6999919B2 US6999919B2 US09/790,029 US79002901A US6999919B2 US 6999919 B2 US6999919 B2 US 6999919B2 US 79002901 A US79002901 A US 79002901A US 6999919 B2 US6999919 B2 US 6999919B2
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/002—Dynamic bit allocation
Abstract
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US09/790,029 US6999919B2 (en) | 2000-02-18 | 2001-02-20 | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US18376400P | 2000-02-18 | 2000-02-18 | |
US09/790,029 US6999919B2 (en) | 2000-02-18 | 2001-02-20 | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
Publications (2)
Publication Number | Publication Date |
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US20010032086A1 US20010032086A1 (en) | 2001-10-18 |
US6999919B2 true US6999919B2 (en) | 2006-02-14 |
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US09/790,029 Expired - Lifetime US6999919B2 (en) | 2000-02-18 | 2001-02-20 | Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders |
Country Status (4)
Country | Link |
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US (1) | US6999919B2 (en) |
AU (1) | AU2001249993A1 (en) |
TW (1) | TW499672B (en) |
WO (1) | WO2001061685A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060293884A1 (en) * | 2004-03-01 | 2006-12-28 | Bernhard Grill | Apparatus and method for determining a quantizer step size |
US20100204997A1 (en) * | 2007-10-31 | 2010-08-12 | Cambridge Silicon Radio Limited | Adaptive tuning of the perceptual model |
US20110083068A1 (en) * | 2009-10-01 | 2011-04-07 | International Business Machines Corporation | Managing digital annotations from diverse media formats having similar content |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI220753B (en) * | 2003-01-20 | 2004-09-01 | Mediatek Inc | Method for determining quantization parameters |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164828A (en) * | 1990-02-26 | 1992-11-17 | Sony Corporation | Video signal transmission and method and apparatus for coding video signal used in this |
US5625746A (en) | 1992-01-17 | 1997-04-29 | Massachusetts Institute Of Technology | Method and apparatus for encoding, decoding and compression of audio-type data |
US5627938A (en) * | 1992-03-02 | 1997-05-06 | Lucent Technologies Inc. | Rate loop processor for perceptual encoder/decoder |
US5682463A (en) * | 1995-02-06 | 1997-10-28 | Lucent Technologies Inc. | Perceptual audio compression based on loudness uncertainty |
US5805222A (en) * | 1996-03-29 | 1998-09-08 | Fujitsu Limited | Video coding apparatus |
US5978762A (en) | 1995-12-01 | 1999-11-02 | Digital Theater Systems, Inc. | Digitally encoded machine readable storage media using adaptive bit allocation in frequency, time and over multiple channels |
US5990957A (en) * | 1996-09-09 | 1999-11-23 | Samsung Electronics Co., Ltd. | Video signal bit amount control using adaptive quantization |
US6185253B1 (en) * | 1997-10-31 | 2001-02-06 | Lucent Technology, Inc. | Perceptual compression and robust bit-rate control system |
US6363338B1 (en) * | 1999-04-12 | 2002-03-26 | Dolby Laboratories Licensing Corporation | Quantization in perceptual audio coders with compensation for synthesis filter noise spreading |
US6725192B1 (en) * | 1998-06-26 | 2004-04-20 | Ricoh Company, Ltd. | Audio coding and quantization method |
-
2001
- 2001-02-19 TW TW090103749A patent/TW499672B/en not_active IP Right Cessation
- 2001-02-20 WO PCT/US2001/040151 patent/WO2001061685A1/en active Application Filing
- 2001-02-20 US US09/790,029 patent/US6999919B2/en not_active Expired - Lifetime
- 2001-02-20 AU AU2001249993A patent/AU2001249993A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164828A (en) * | 1990-02-26 | 1992-11-17 | Sony Corporation | Video signal transmission and method and apparatus for coding video signal used in this |
US5625746A (en) | 1992-01-17 | 1997-04-29 | Massachusetts Institute Of Technology | Method and apparatus for encoding, decoding and compression of audio-type data |
US5627938A (en) * | 1992-03-02 | 1997-05-06 | Lucent Technologies Inc. | Rate loop processor for perceptual encoder/decoder |
US5682463A (en) * | 1995-02-06 | 1997-10-28 | Lucent Technologies Inc. | Perceptual audio compression based on loudness uncertainty |
US5978762A (en) | 1995-12-01 | 1999-11-02 | Digital Theater Systems, Inc. | Digitally encoded machine readable storage media using adaptive bit allocation in frequency, time and over multiple channels |
US5805222A (en) * | 1996-03-29 | 1998-09-08 | Fujitsu Limited | Video coding apparatus |
US5990957A (en) * | 1996-09-09 | 1999-11-23 | Samsung Electronics Co., Ltd. | Video signal bit amount control using adaptive quantization |
US6185253B1 (en) * | 1997-10-31 | 2001-02-06 | Lucent Technology, Inc. | Perceptual compression and robust bit-rate control system |
US6725192B1 (en) * | 1998-06-26 | 2004-04-20 | Ricoh Company, Ltd. | Audio coding and quantization method |
US6363338B1 (en) * | 1999-04-12 | 2002-03-26 | Dolby Laboratories Licensing Corporation | Quantization in perceptual audio coders with compensation for synthesis filter noise spreading |
Non-Patent Citations (2)
Title |
---|
Aggarwal et al., "Trellis-based optimization of MPEG-4 advanced audio coding," Proceedings 2000 IEEE Workshop on Speech Coding, Sep. 2000, pp. 142-144, no day. |
Nakajima et al., "MPEG audio bit rate scaling on coded data domain," Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, May 1998, vol. 6, pp. 3669-3672, no day. |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060293884A1 (en) * | 2004-03-01 | 2006-12-28 | Bernhard Grill | Apparatus and method for determining a quantizer step size |
US7574355B2 (en) * | 2004-03-01 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for determining a quantizer step size |
US20090274210A1 (en) * | 2004-03-01 | 2009-11-05 | Bernhard Grill | Apparatus and method for determining a quantizer step size |
US8756056B2 (en) | 2004-03-01 | 2014-06-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for determining a quantizer step size |
US20100204997A1 (en) * | 2007-10-31 | 2010-08-12 | Cambridge Silicon Radio Limited | Adaptive tuning of the perceptual model |
US8326619B2 (en) | 2007-10-31 | 2012-12-04 | Cambridge Silicon Radio Limited | Adaptive tuning of the perceptual model |
US8589155B2 (en) | 2007-10-31 | 2013-11-19 | Cambridge Silicon Radio Ltd. | Adaptive tuning of the perceptual model |
US20110083068A1 (en) * | 2009-10-01 | 2011-04-07 | International Business Machines Corporation | Managing digital annotations from diverse media formats having similar content |
Also Published As
Publication number | Publication date |
---|---|
US20010032086A1 (en) | 2001-10-18 |
TW499672B (en) | 2002-08-21 |
AU2001249993A1 (en) | 2001-08-27 |
WO2001061685A1 (en) | 2001-08-23 |
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